Science Advances

A new method can determine where people’s brains lie on the SuperAger to Alzheimer’s continuum. scim.ag/4BPm5ro

The use of mercury by the ancient Maya for ceremonies, religious events, and decoration spread the pollutant even further throughout the Yucatán region than previously known. scim.ag/4zrLQw5

Good conversation between two people involves “pink noise,” according to new research. This term refers to fluctuations in semantic similarities—alignments in speech patterns and word choice—across time scales during a chat. scim.ag/4eg9Cme

Newly documented traces of hydrogen chloride—a stinky gas often produced by magmatism—in the Martian atmosphere corroborates emerging evidence that suggests the planet is still volcanically active. scim.ag/48EnCmp

A new study describes the Multimodal Ultrasound System for Injury Care device, which helps visualize spinal cord structure and track blood flow speed and velocity after surgery.

Learn more in this week’s issue of Science Advances: scim.ag/4sJDyxh